Year	% of GDP
1990	10.325440448743246
1991	11.205540934517217
1992	11.801109921704827
1993	14.281856118583363
1994	14.900792417650715
1995	15.51123069157187
1996	15.165547644265704
1997	15.014221861032102
1998	15.098800544910365
1999	16.743685697456645
2000	16.83288837673676
2001	16.99235290341249
2002	19.677170644315055
2003	19.83730298809953
2004	16.87634163655274
2014	24.56978085758058
2015	25.00839323470482
2016	26.179916483246917
2017	24.282532041997896
2018	22.68778062474635
2019	22.036480926618964
2020	25.84053076447443
2021	22.83397628771995
2022	21.964015343541885